The utility model discloses a maize picker, include: two are drawn the stem roller, and it sets up on the upper portion of plucking ear of grain device to the two rotation in the opposite direction, two rear portions of drawing the stem roller are provided with can pitch wheel, a drive mechanism, it sets up the rear of gear drives the gear synchronous revolution, two snapping rolls, it sets up two belows of drawing the stem roller to the rotation direction is the same, the one end of two snapping rolls is provided with secondary drive mechanism, its through chain machine construct with a drive mechanism hold in, wherein, two snapping rolls are eccentric roll, can rotate in -process production swing impact. The adoption draws stem roller and the snapping roll can simultaneous movement, and it is tensile to carry out reverse bend to the corn ear to increased the rocking of fruit ear plucking ear of grain in -process, the further improvement is plucked ear of grain efficiency and saves the operation power.